51czl.com - robtex.com

51czl.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:1cca🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:938f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.28.202Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.143🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadele.ns.cloudflare.com ⭐
A2606:4700:50::a29f:269c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadele.ns.cloudflare.com
A2803:f800:50::6ca2:c29c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadele.ns.cloudflare.com
A2a06:98c1:50::ac40:229c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRadele.ns.cloudflare.com
A108.162.194.156🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadele.ns.cloudflare.com
A162.159.38.156Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadele.ns.cloudflare.com
A172.64.34.156🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadele.ns.cloudflare.com
NSian.ns.cloudflare.com
A2606:4700:58::adf5:3b76🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A2803:f800:50::6ca2:c176🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRian.ns.cloudflare.com
A2a06:98c1:50::ac40:2176🇺🇸 Cloudflare2a06:98c1:50::/45
PTRian.ns.cloudflare.com
A108.162.193.118🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A172.64.33.118🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A173.245.59.118🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.28.202, 172.67.147.143
IPv6 hints2606:4700:3035::6815:1cca, 2606:4700:3036::ac43:938f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=59, name=cloudflare-ech.com
SOAadele.ns.cloudflare.comdns@cloudflare.com serial=2410131164

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785096242
rank #790582 globally
rank #335855 in the tld

Same first word

51czl.com

Similar names

51zlc.com

DNS History

13 records (6 active, 7 former)

201820192020202120222023202420252026NSadele.ns.cloudflare.comian.ns.cloudflare.comdns10.hichina.comdns9.hichina.comA104.21.28.202172.67.147.1432606:4700:3035::6815:1cca2606:4700:3036::ac43:938f120.24.4.204188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSadele.ns.cloudflare.com2026-06-17 → 2026-07-26 · 3 obs
○ 2019-03-23 08:37:58
● 2026-06-17 18:21:28
● 2026-07-26 20:05:24
○NSdns10.hichina.com2017-02-17 → 2019-03-23 · 4 obs
● 2017-02-17 21:25:48
● 2019-03-23 08:37:58
○ 2026-06-17 18:21:28
○ 2026-07-26 20:05:24
○NSdns9.hichina.com2017-02-17 → 2019-03-23 · 4 obs
● 2017-02-17 21:25:48
● 2019-03-23 08:37:58
○ 2026-06-17 18:21:28
○ 2026-07-26 20:05:24
●NSian.ns.cloudflare.com2026-06-17 → 2026-07-26 · 3 obs
○ 2019-03-23 08:37:58
● 2026-06-17 18:21:28
● 2026-07-26 20:05:24
●A104.21.28.2022026-07-26 → 2026-07-26 · 2 obs
○ 2026-06-17 18:21:28
● 2026-07-26 20:05:24
○A120.24.4.2042019-03-23 → 2019-03-23 · 3 obs
● 2019-03-23 08:37:58
○ 2026-06-17 18:21:28
○ 2026-07-26 20:05:24
●A172.67.147.1432026-07-26 → 2026-07-26 · 2 obs
○ 2026-06-17 18:21:28
● 2026-07-26 20:05:24
○A188.114.96.02026-06-17 → 2026-06-17 · 3 obs
○ 2019-03-23 08:37:58
● 2026-06-17 18:21:28
○ 2026-07-26 20:05:24
○A188.114.97.02026-06-17 → 2026-06-17 · 3 obs
○ 2019-03-23 08:37:58
● 2026-06-17 18:21:28
○ 2026-07-26 20:05:24
●A2606:4700:3035::6815:1cca2026-07-26 → 2026-07-26 · 2 obs
○ 2026-06-17 18:21:28
● 2026-07-26 20:05:24
●A2606:4700:3036::ac43:938f2026-07-26 → 2026-07-26 · 2 obs
○ 2026-06-17 18:21:28
● 2026-07-26 20:05:24
○A2a06:98c1:3120::2026-06-17 → 2026-06-17 · 3 obs
○ 2019-03-23 08:37:58
● 2026-06-17 18:21:28
○ 2026-07-26 20:05:24
○A2a06:98c1:3121::2026-06-17 → 2026-06-17 · 3 obs
○ 2019-03-23 08:37:58
● 2026-06-17 18:21:28
○ 2026-07-26 20:05:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
51czl.comian.ns.cloudflare.com, adele.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.156

NS records: ian.ns.cloudflare.com, adele.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51czl.com (unsigned zone)

⏱️ Timing

Total: 122ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.28.202, 172.67.147.143
AAAA22606:4700:3035::6815:1cca, 2606:4700:3036::ac43:938f
NS2adele.ns.cloudflare.com, ian.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1adele.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ian.ns.cloudflare.com, ian.ns.cloudflare.com, ian.ns.cloudflare.com...)

Analysis

IP Addresses

51czl.com points to the four IP addresses 104.21.28.202, 172.67.147.143, 2606:4700:3035::6815:1cca and 2606:4700:3036::ac43:938f.

tnfshop.si, ief.ro, adeconsultingllc.xyz and two other host names share IP numbers with 51czl.com.

Name Servers

51czl.com uses two name servers for its delegation: adele.ns.cloudflare.com and ian.ns.cloudflare.com.

51czl.com uses the same name servers as several other domains — among them shenjigongsi.com, zm106.com, hartoncpa.com and two more.

There is at least partial name server overlap between 51czl.com and other domains — fb777u.com, leooliverio.com.br, vermillionarchers.com and two more among them.

The name servers lily.ns.cloudflare.com, meera.ns.cloudflare.com and stevie.ns.cloudflare.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

Hostname adele.ns.cloudflare.com directs to 108.162.194.156, 162.159.38.156 and 172.64.34.156 along with 3 other IP addresses.

Hostname ian.ns.cloudflare.com directs to 108.162.193.118, 172.64.33.118 and 173.245.59.118 along with 3 other IP addresses.